Simple Kotlin file with an abstraction over jedis (JVM support library for redis)

RedisHandler.kt

import core.logging.Logger
import redis.clients.jedis.Jedis

class RedisHandler(val host: String = "127.0.0.1", private val port: Int = 6379) {
    private var jedis = Jedis(host, port)

    private fun refreshConnection() {
        jedis = Jedis(host, port)
    }

    private fun closeConnection() {
        jedis.close()
    }

    fun get(key: String): String? {
        refreshConnection()

        val result = jedis.get(key)
        Logger.log("[Redis] Searching server=<$host> with key=<$key> gave result=<$result>")

        closeConnection()
        return result
    }

    fun set(key: String, value: String) {
        refreshConnection()

        jedis.set(key, value)

        Logger.log("[Redis] Updated key=$key, value=$value pair in redis=$host")
        closeConnection()
    }

}